John J. Flanagan, M.D.
Vascular Surgery Physician · Phoenixville, PA
John J. Flanagan, M.D. is a vascular surgery physician with a practice address in Phoenixville, Pennsylvania, and NPI 1902898208, issued on Aug 22, 2005. Check the license (Pennsylvania MD043999L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John J. Flanagan
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- MD043999L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1260 Valley Forge RD, Phoenixville, PA 19460
- Phone
- (610) 933-2444
- Enumerated
- Aug 22, 2005
- Record last updated
- Jun 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (610) 933-8320
- Medicare enrollment
- Enrolled (PECOS I20080422000171); accepts Medicare assignment
- Medical or professional school
- Medical College Of Pennsylvania, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 272 in Pennsylvania → Look up another NPI →
Also registered at 1260 Valley Forge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frances AllowayRegistered Dietitian1891450466
- Shannon Burgess, O.D.Optometrist1457313835
- Cara Cohen, PA C, MPASMedical Physician Assistant1932223104
- Julie Halpin, PA CMedical Physician Assistant1558343749
- Christopher Hussin, D.D.S.General Practice Dentistry1851336051
- Peter Motel, MDDermatology Physician1538140900
Verify John J. Flanagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD043999LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average vascular surgery physician in 2024
406 Medicare Part D claims for 121 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims. 39 claims were for opioids.
Most prescribed
- Xarelto95 claims
- Clopidogrel75 claims
- Atorvastatin Calcium69 claims
- Eliquis35 claims
- Rosuvastatin Calcium20 claims
- Oxycodone-Acetaminophen13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $423.07
7 payments; by number, the most common kind was food and beverage; the largest payer was AngioDynamics, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Vascular Surgical Specialists PLLCWest Chester, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. Flanagan among 272 vascular surgery physician records in Pennsylvania
John J. Flanagan, M.D. is one of 272 vascular surgery physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1985 · median 2005 among the 193 with a school on file
- Record last updated2013 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Pennsylvania
There are 272 vascular surgery physician records in Pennsylvania.
All 272 in Pennsylvania → Every provider in Phoenixville → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Edward Pavillard, D.O.Limerick, PA 194681548222979
- Harry Polsky, M.D.East Norriton, PA 194031558316711
- Joseph Grisafi, M.D.East Norriton, PA 194011194939736
- Daniel Lee, MDWest Chester, PA 193801083100622
- Pv Pathanjali Sharma, MDReading, PA 196051619093630
- Robert Brigham, M.D.West Reading, PA 196111992720247
- James Coffey, M.D.West Reading, PA 196111316906407
- Kathleen Lamb, M.D.West Reading, PA 196111720220759
Common questions
What is John J. Flanagan, M.D.'s NPI number?
John J. Flanagan, M.D.'s National Provider Identifier (NPI) is 1902898208, issued on Aug 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John J. Flanagan, M.D. located?
The NPPES record lists a practice address at 1260 Valley Forge RD, Phoenixville, PA, 19460. Phone: (610) 933-2444. Providers update this record themselves, so call before visiting.
How can I verify John J. Flanagan, M.D.'s license?
NPPES lists Pennsylvania license number MD043999L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John J. Flanagan, M.D. prescribe under Medicare Part D?
In 2024, John J. Flanagan, M.D. had 406 Medicare Part D claims for 121 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.